U+1EE4 "Ụ" Latin Capital Letter U with Dot Below Unicode Character
Unicode Version 17.0
Ụ
U+1EE4 "Ụ" Latin Capital Letter U with Dot Below is a specialized letter used primarily in the Vietnamese alphabet to represent a distinct vowel sound. This character is formed by combining the standard capital letter U with a combining dot below, which signals a different tonal and phonetic quality in the Vietnamese writing system. It appears in various Vietnamese words and is part of a broader set of diacritic-marked vowels that allow the Latin-based script to accurately represent the language's complex tonal and vowel inventory. Beyond Vietnamese, this letter is also occasionally employed in linguistic transliteration for certain African languages, where it denotes a heavily rounded or centralized pronunciation of the vowel U.
General Properties
| Code Point | U+1EE4 |
| Version Added | 1.1 |
| Name | Latin Capital Letter U with Dot Below |
| Block | Latin Extended Additional |
| General Category | Uppercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Canonical |
| Decomposition Mapping | "U" U+0055 Latin Capital Letter U "̣" U+0323 Combining Dot Below |
Encodings
| HTML Decimal Encoding | Ụ |
| HTML Hex Encoding | Ụ |
| UTF-8 Encoding | 0xE1 0xBB 0xA4 |
| UTF-16 Encoding | 0x1EE4 |
| UTF-32 Encoding | 0x00001EE4 |
| C/C++/Java Escape | \u1ee4 |
Unicode Properties
| NFC Quick Check | Yes |
| NFKC Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Uppercase | Yes |
| Simple Lowercase Code Point | "ụ" U+1EE5 Latin Small Letter U with Dot Below |
| Lowercase Code Point | "ụ" U+1EE5 Latin Small Letter U with Dot Below |
| Simple Case Folding | "ụ" U+1EE5 Latin Small Letter U with Dot Below |
| Case Folding | "ụ" U+1EE5 Latin Small Letter U with Dot Below |
| Cased | Yes |
| Changes When Casefolded | Yes |
| Changes When Casemapped | Yes |
| Changes When Lowercased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "ụ" U+1EE5 Latin Small Letter U with Dot Below |
| NFKC Simple Casefold | "ụ" U+1EE5 Latin Small Letter U with Dot Below |
| Script | Latin |
| Script Extensions | Latin |
| Indic Syllabic Category | Other |
| ID Start | Yes |
| XID Start | Yes |
| ID Continue | Yes |
| XID Continue | Yes |
| Alphabetic | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Alphabetic letter |
| Sentence Break | Upper |